The Fortis Lightweight Enhanced AR15 End Plate, K1 System (Tapered) Castle Nut is a end plate for AR-15, offered in Black, Gold.
The K1 system features a tapered castle nut that seals itself onto the end plate. This ultra precision snug fit allows the castle nut to seat and seal itself into place without the need of staking the end plate. No ratcheting, no set screws, no backing out and no failures.
How It Compares
Also compare the K1 Enhanced End Plate Castle Nut Combo for AR-15, K2 Enhanced End Plate Castle Nut Combo for AR-15 and Light Weight K1, Castle Nut and End Plate. Browse all AR-15 Parts and the full Fortis range. New to this? Read our guide: AR-15 Upgrades: Charging Handles, Safeties, Buffers and Muzzle Devices.
Ideal For
- AR-15 builds that want the K1 tapered castle nut sealed onto the end plate
- Builders who want no staking, ratcheting or set screws on the castle nut
- Rifles that need a quick detach sling socket at the rear, in black or gold
Key Features
- Lightweight design
- Quick Detach Socket
- No set screws or ratcheting system
- 7075 T6 Aircraft Grade Aluminum
- K1 System (Tapered) Castle Nut
Compatibility & Fitment
Check the platform named in the title to confirm fit before ordering. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Fortis |
Type | End Plate |
Model | Lightweight Enhanced |
Platform | AR-15 |
Colors | Black, Gold |
MPN | LE-BLK-K1-BLK, LE-BLK-K1-GOLD |
UPC | 855476008247, 855476008254 |
US Shipping & Support
Genuine Fortis, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What colors is it available in?
Black, Gold. Choose your color from the options above.
Is this a genuine Fortis product?
Yes. It is a new, genuine Fortis product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.
